Gems, Jewelry and Precious Metals
Showing 1386 products
![[Used] TASAKI K18YG PEARL Balance Luxe Ring 15.1g #13 ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000042961_2.jpg?v=1768197670&width=480)
![[Used] PT900 Emerald Ring Emerald 0.75ct D0.47ct 4.8g #9](http://koufuku.jp/cdn/shop/files/2000000011813_2.jpg?v=1768197670&width=480)
![[Pre-owned] K18WG JADEITE RING Jadeite Ring Jadeite 2.19ct Diameter 0.32ct 2.3g #12.5](http://koufuku.jp/cdn/shop/files/2000000036748_2.jpg?v=1768197671&width=480)
![[Used] PT900 SAPPHIRE RING Sapphire Ring S3.13ct D0.27ct 6.6g #11](http://koufuku.jp/cdn/shop/files/2000000016078_2.jpg?v=1768197671&width=480)
![[Pre-owned] 18K Yellow Gold Jadeite Ring, Jadeite 2.313ct, Diameter 1.02ct, CGL Sorting, 5.2g, #13](http://koufuku.jp/cdn/shop/files/2000000093338_3.jpg?v=1768197671&width=480)
![[Used] K18YG RUBY RING Ruby Ring 4.6g #12](http://koufuku.jp/cdn/shop/files/2000000044743_2.jpg?v=1768444652&width=480)
![[Used] PT900 SAPPHIRE RING Sapphire Ring S1.01ct D0.40ct 3.5g #11](http://koufuku.jp/cdn/shop/files/2000000007854_2.jpg?v=1768444652&width=480)
![[Used] PT900 Emerald Ring, E0.58ct, D0.57ct, 6.6g, #15](http://koufuku.jp/cdn/shop/files/2000000009292_8.jpg?v=1768444653&width=480)
![[Pre-owned] MIKIMOTO K14WG AKOYA PEARL BROACH, P6.3-7.mm, ONE PRICE, 16.3g](http://koufuku.jp/cdn/shop/files/2000000015828_2.jpg?v=1768444653&width=480)
![[Pre-owned] K18YG RUBY RING Ruby Ring R0.65ct D0.24ct 6.1g #11](http://koufuku.jp/cdn/shop/files/2000000117171_2.jpg?v=1768444652&width=480)
![[Pre-owned] 18K Yellow Gold Ruby Ring, 1.09ct, 0.49ct, 0.98ct, 10.1g, #12](http://koufuku.jp/cdn/shop/files/2000000038056_2.jpg?v=1768444653&width=480)
![[Pre-owned] SV SPINEL Necklace, 7-strand black spinel necklace, 38.1g, 43cm](http://koufuku.jp/cdn/shop/files/2000000112695_2.jpg?v=1768444653&width=480)
![[Pre-owned] TASAKI K18YG MABE PEARL BROACH 10.7g ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000022345_2.jpg?v=1768444653&width=480)
KOUFUKU is an e-commerce site that handles a wide range of products, from jewelry and precious metals to brand bags, brand watches, brand apparel, and tableware. In addition to sales, we also offer a purchase service.
![[Pre-owned] 18K Yellow Gold Tourmaline Ring, Pink Tourmaline, 27.51ct Tall, 0.64ct Deep, GRJ Sorting, 17.3g, #12](http://koufuku.jp/cdn/shop/files/2000000069722_3.jpg?v=1768444653&width=480)
![[Used] PT900 SAPPHIRE RING Sapphire Ring S2.57ct D1.51ct 14.3g #15](http://koufuku.jp/cdn/shop/files/2000000071954_2.jpg?v=1768882396&width=480)
![[Pre-owned] MIKIMOTO PT950 ALEXANDRITE RING, A 0.42ct, D 0.62ct, 6.1g, #15, ONE PRICE](http://koufuku.jp/cdn/shop/files/2000000123844_3.jpg?v=1768882396&width=480)
